Derivative Instruments (Fair Value Of Futures And Forward Currency Contracts) (Details) - USD ($) | Jun. 30, 2015 | Dec. 31, 2014 |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | $ 327,572 | $ 1,040,625 |
Futures Contracts [Member] | | |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | 40,159 | 1,362,668 |
Energies [Member] | | |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | 38,829 | 392,983 |
Grains [Member] | | |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | 220,939 | (132,128) |
Interest Rates [Member] | | |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | 609,618 | 564,508 |
Livestock [Member] | | |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | 73,320 | 21,360 |
Metals [Member] | | |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | 861,739 | (325,106) |
Softs [Member] | | |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | 53,878 | 288,037 |
Stock Indices [Member] | | |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | (1,818,164) | 553,014 |
Forward Currency Contracts [Member] | | |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | 287,413 | (322,043) |
Fair Value Long Positions Gains [Member] | | |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | 2,459,771 | 2,230,316 |
Fair Value Long Positions Gains [Member] | Futures Contracts [Member] | | |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | 1,639,271 | 1,883,301 |
Fair Value Long Positions Gains [Member] | Energies [Member] | | |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | 57,441 | |
Fair Value Long Positions Gains [Member] | Grains [Member] | | |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | 578,915 | 275 |
Fair Value Long Positions Gains [Member] | Interest Rates [Member] | | |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | 822,421 | 1,143,514 |
Fair Value Long Positions Gains [Member] | Livestock [Member] | | |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | | 1,280 |
Fair Value Long Positions Gains [Member] | Metals [Member] | | |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | 8,988 | 8,401 |
Fair Value Long Positions Gains [Member] | Softs [Member] | | |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | 54,025 | 3,120 |
Fair Value Long Positions Gains [Member] | Stock Indices [Member] | | |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | 117,481 | 726,711 |
Fair Value Long Positions Gains [Member] | Forward Currency Contracts [Member] | | |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | 820,500 | 347,015 |
Fair Value Long Positions Losses [Member] | | |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | (4,154,102) | (3,065,242) |
Fair Value Long Positions Losses [Member] | Futures Contracts [Member] | | |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | (3,307,509) | (1,822,717) |
Fair Value Long Positions Losses [Member] | Energies [Member] | | |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | (15,761) | |
Fair Value Long Positions Losses [Member] | Grains [Member] | | |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | | (132,403) |
Fair Value Long Positions Losses [Member] | Interest Rates [Member] | | |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | (190,526) | (458,390) |
Fair Value Long Positions Losses [Member] | Livestock [Member] | | |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | | (15,460) |
Fair Value Long Positions Losses [Member] | Metals [Member] | | |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | (1,268,655) | (958,460) |
Fair Value Long Positions Losses [Member] | Softs [Member] | | |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | (30) | (390) |
Fair Value Long Positions Losses [Member] | Stock Indices [Member] | | |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | (1,832,537) | (257,614) |
Fair Value Long Positions Losses [Member] | Forward Currency Contracts [Member] | | |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | (846,593) | (1,242,525) |
Fair Value Short Positions Gains [Member] | | |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | 3,033,422 | 2,847,725 |
Fair Value Short Positions Gains [Member] | Futures Contracts [Member] | | |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | 2,262,580 | 1,500,183 |
Fair Value Short Positions Gains [Member] | Energies [Member] | | |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | 10,449 | 409,768 |
Fair Value Short Positions Gains [Member] | Livestock [Member] | | |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | 73,320 | 35,540 |
Fair Value Short Positions Gains [Member] | Metals [Member] | | |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | 2,123,529 | 645,172 |
Fair Value Short Positions Gains [Member] | Softs [Member] | | |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | 54,540 | 294,048 |
Fair Value Short Positions Gains [Member] | Stock Indices [Member] | | |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | 742 | 115,655 |
Fair Value Short Positions Gains [Member] | Forward Currency Contracts [Member] | | |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | 770,842 | 1,347,542 |
Fair Value Short Positions Losses [Member] | | |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | (1,011,519) | (972,174) |
Fair Value Short Positions Losses [Member] | Futures Contracts [Member] | | |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | (554,183) | (198,099) |
Fair Value Short Positions Losses [Member] | Energies [Member] | | |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | (13,300) | (16,785) |
Fair Value Short Positions Losses [Member] | Grains [Member] | | |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | (357,976) | |
Fair Value Short Positions Losses [Member] | Interest Rates [Member] | | |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | (22,277) | (120,616) |
Fair Value Short Positions Losses [Member] | Metals [Member] | | |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | (2,123) | (20,219) |
Fair Value Short Positions Losses [Member] | Softs [Member] | | |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | (54,657) | (8,741) |
Fair Value Short Positions Losses [Member] | Stock Indices [Member] | | |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | (103,850) | (31,738) |
Fair Value Short Positions Losses [Member] | Forward Currency Contracts [Member] | | |
Derivative [Line Items] | | |
Futures and forward currency contracts, Fair Value | $ (457,336) | $ (774,075) |